Heller, F. H. (2009). Steel helmet and mortarboard: An academic in Uncle Sam's Army. University of Missouri Press.
Citace podle Chicago (17th ed.)Heller, Francis Howard. Steel Helmet and Mortarboard: An Academic in Uncle Sam's Army. Columbia: University of Missouri Press, 2009.
Citace podle MLA (9th ed.)Heller, Francis Howard. Steel Helmet and Mortarboard: An Academic in Uncle Sam's Army. University of Missouri Press, 2009.
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